"Mitt Romney, Tim Pawlenty, and Michele Bachmann appear to be the biggest digital ad spenders among the 2012 GOP presidential primary candidates. Though it is unclear precisely where the money is going, the most recent quarterly reports indicate that Romney is outspending his counterparts in the online ad arena. Yet, if one thing is crystal clear, it's that President Barack Obama and the Democratic Party are way ahead of the Republicans in fundraising and digital ad spending."